debian-mirror-gitlab/app/models/concerns/token_authenticatable_strategies/base.rb
2018-12-13 13:39:08 +05:30

73 lines
1.6 KiB
Ruby

# frozen_string_literal: true
module TokenAuthenticatableStrategies
class Base
def initialize(klass, token_field, options)
@klass = klass
@token_field = token_field
@options = options
end
def find_token_authenticatable(instance, unscoped = false)
raise NotImplementedError
end
def get_token(instance)
raise NotImplementedError
end
def set_token(instance)
raise NotImplementedError
end
def ensure_token(instance)
write_new_token(instance) unless token_set?(instance)
end
# Returns a token, but only saves when the database is in read & write mode
def ensure_token!(instance)
reset_token!(instance) unless token_set?(instance)
get_token(instance)
end
# Resets the token, but only saves when the database is in read & write mode
def reset_token!(instance)
write_new_token(instance)
instance.save! if Gitlab::Database.read_write?
end
protected
def write_new_token(instance)
new_token = generate_available_token
set_token(instance, new_token)
end
def unique
@options.fetch(:unique, true)
end
def generate_available_token
loop do
token = generate_token
break token unless unique && find_token_authenticatable(token, true)
end
end
def generate_token
@options[:token_generator] ? @options[:token_generator].call : Devise.friendly_token
end
def relation(unscoped)
unscoped ? @klass.unscoped : @klass
end
def token_set?(instance)
raise NotImplementedError
end
def token_field_name
@token_field
end
end
end